Table 2 CTO lesion characteristics and procedural data
Lesion characteristics | Total | Procedural results | Guidewire crossing time | ||||
|---|---|---|---|---|---|---|---|
Success n = 137 | Fail n = 17 | p |  < 30 min n = 65 |  > 30 min n = 89 | p | ||
J-CTO score | 3 (3–4) | 3 (3–4) | 4.5 (4–5) | < 0.001 | 3 (3–3) | 4 (3–4) | < 0.001 |
Target vessel |  |  |  | < 0.001 |  |  | 0.049 |
 RCA | 73 (47) | 68 (44) | 5 (3) |  | 37 (24) | 36 (23) |  |
 LAD | 65 (42) | 60 (39) | 5 (3) |  | 20 (13) | 45 (29) |  |
 LCX | 16(10) | 9 (6) | 7 (4) |  | 8 (5) | 8 (5) |  |
Previous failed lesion | 42 (27) | 36 (23) | 6 (4) | 0.405 | 11 (7) | 31 (20) | 0.017 |
 Antegrade* | 87 (56) | 83 (53) | 4 (3) |  | 55 (36) | 32 (21) |  |
 Hybrid | 67 (44) | 54 (35) | 13 (8) |  | 10 (7) | 57 (37) |  |
Reverse-CART | 62 (40) | 49 (31) | 13 (8) | Â | 7 (4) | 55 (36) | Â |